Display screen with an animated graphical user interface



FIG. 1 is a first image for a display screen with an animated graphical user interface;

FIG. 2 is a second image thereof;

FIG. 3 is a first image of a second embodiment thereof; and,

FIG. 4 is a second image thereof.

The appearance of the animated graphical user interface sequentially transitions between FIGS. 1 and 2 and FIGS. 3 and 4.

The broken line showing of the display screen and the graphical elements in all views forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with an animated graphical user interface, as shown and described. 